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Finding the Third Proportional to 73,712,945 and 160,390,435

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Solution

The third proportional to 73,712,945 and 160,390,435 is: 348,990,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,712,945 : 160,390,435 = 160,390,435 : x
  2. Step 2: Convert to fraction form
    73,712,945/160,390,435 = 160,390,435/x
  3. Step 3: Cross multiply
    73,712,945x = 160,390,435 × 160,390,435
  4. Step 4: Simplify right side
    73,712,945x = 25,725,091,639,489,224
  5. Step 5: Solve for x
    x = 25,725,091,639,489,224/73,712,945
  6. Step 6: Final answer
    x = 348,990,148.74

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.